申请人 |
MITSUI CHEMICALS |
发明人 |
YAGI, KAZUO MITSUI PETROCHEMICAL INDUSTRIES;MANTOKU, HITOSHI MITSUI PETROCHEMICAL IND.LTD.;HASHIMOTO, AKINAO MITSUI PETROCHEMICAL IND.LTD;HIGASHI, ISABURO MITSUI PETROCHEMICAL IND.LTD.;AKANA, YOSHINORI MITSUI PETROCHEMICAL IND.LTD. |